Topotactic transformation of naturally occurring layer silicates into porous framework silicates

天然层状硅酸盐拓扑转化为多孔骨架硅酸盐

• 批准号: 416605983
• 负责人: Dr. Bernd Marler
• 金额: --
• 依托单位: Institut für Geologie, Mineralogie und Geophysik
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2019
• 资助国家: 德国
• 起止时间: 2018-12-31 至 2022-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/416605983?language=en
• 关键词: Topotactic; transformation; naturally; occurring; layer

The main goals of the project are:1) Determination of the crystal structures of magadiite, kenyaite and possibly silhydrite.2) Analysis of the influence the layer properties (thickness, Q3/Q4 ratio, distance of terminal silanol groups between each other, layer charge) have on the stability and porosity of the produced microporous framework silicates.3) The development of a deeper understanding of the transformation process and if possible the establishment of a straight-forward-method towards the production of structurally ordered, microporous silicates by the topotactic conversion of layer silicates.4) This project will also aim on the synthesis of new, structurally ordered, microporous silicates by topotactic condensation or topotactic expansion of layer silicates. Minerals as well as their synthetic counterparts will be used. A few related layer silicates containing organic cations may also be included in the study.

该项目的主要目标是：1） 测定麦羟硅钠石、水羟硅钠石和可能的硅镁石的晶体结构。2） 分析层性质（厚度、Q3/Q4比、末端硅醇基团彼此之间的距离、层电荷）对所生产的微孔骨架硅酸盐的稳定性和孔隙率的影响。3） 发展对转化过程的更深入理解，如果可能的话，建立一种直接的方法，通过层状硅酸盐的拓扑转化来生产结构有序的微孔硅酸盐。 该项目还将致力于通过层状硅酸盐的拓扑缩合或拓扑膨胀合成新的结构有序的微孔硅酸盐。将使用矿物及其合成对应物。一些相关的含有有机阳离子的层状硅酸盐也可以包括在研究中。